"Figure 1. Cumulative Mass Balance of 12 Reference Glaciers, 1945-2023",,,,,,,,,,,,,
Source: EPA's Climate Change Indicators in the United States: www.epa.gov/climate-indicators,,,,,,,,,,,,,
"Data source: WGMS, 2024",,,,,,,,,,,,,
Web update: December 2024,,,,,,,,,,,,,
Units: meters of water equivalent (mwe),,,,,,,,,,,,,
,,,,,,,,,,,,,
Year,"Devon Ice Cap, Canada","Meighen Ice Cap, Canada","Melville South Ice Cap, Canada","White Glacier, Canada","Austre Broeggerbreen, Norway (Spitsbergen)","Midtre Lovenbreen, Norway (Spitsbergen)","Engabreen, Norway","Langfjordjoekelen, Norway ","Marmaglaciaeren, Sweden","Rabots Glaciaer, Sweden","Riukojietna, Sweden","Storglaciaeren, Sweden",12-glacier average
1945,,,,,,,,,,4.319,,12.56,8.4395
1946,,,,,,,,,,3.739,,12.02,7.8795
1947,,,,,,,,,,,,10.14,10.14
1948,,,,,,,,,,,,9.85,9.85
1949,,,,,,,,,,,,10.44,10.44
1950,,,,,,,,,,2.389,,9.69,6.0395
1951,,,,,,,,,,,,8.92,8.92
1952,,,,,,,,,,,,8.96,8.96
1953,,,,,,,,,,,,8.44,8.44
1954,,,,,,,,,,,,7.51,7.51
1955,,,,,,,,,,,,7.15,7.15
1956,,,,,,,,,,,,6.85,6.85
1957,,,,,,,,,,,,6.51,6.51
1958,,,,,,,,,,,,6.13,6.13
1959,,2.14,,2.149,,,,,,,,5.36,3.216333333
1960,1.25,1.39,,1.745,,,,,,,,3.75,2.03375
1961,1.053,1.28,,1.762,,,,,,,,2.96,1.76375
1962,0.694,0.31,3.519,0.981,,,,,,,,3.39,1.7788
1963,0.738,0.11,3.807,0.826,,,,,,,,3.19,1.7342
1964,0.863,0.47,3.876,1.176,,,,,,,,3.62,2.001
1965,0.927,0.53,3.723,1.164,,,,,,,,4.12,2.0928
1966,0.792,0.46,3.853,1.139,9.98,,,,,,,3.57,3.299
1967,0.765,0.41,3.878,1.257,9.33,7.63,,,,,,3.39,3.808571429
1968,0.59,0.46,3.903,0.849,9.23,7.6,,,,,,3.15,3.683142857
1969,0.415,0.57,3.629,0.921,8.3,6.76,-2.723,,,,,2.25,2.51525
1970,0.454,0.56,3.138,0.917,7.76,6.23,-3.992,,,,,0.88,1.993375
1971,0.385,0.14,2.748,0.734,7.18,5.77,-3.248,,,,,0.69,1.799875
1972,0.487,0.17,2.358,0.852,6.87,5.55,-3.822,,,,,-0.36,1.513125
1973,0.392,0.2,2.1,1.043,6.79,5.53,-1.89,,,,,-0.31,1.731875
1974,0.315,0.17,2.027,0.999,5.87,4.64,-1.437,,,,,-0.65,1.49175
1975,0.246,0.25,1.954,1.25,5.56,4.43,-0.443,,,,,0.52,1.720875
1976,0.422,0.33,1.881,1.364,5.11,4.08,1.356,,,,,0.79,1.916625
1977,0.323,0.09,1.808,0.994,5,4.04,1.689,,,,,0.99,1.86675
1978,0.35,0,1.735,0.863,4.44,3.56,0.429,,,,,0.91,1.535875
1979,0.389,-0.005,1.662,0.776,3.73,2.9,0.234,,,,,0.7,1.29825
1980,0.332,-0.01,1.474,,3.21,2.47,-0.694,,,,,-0.57,0.887428571
1981,0.186,-0.18,1.155,,2.66,2.01,-0.66,,,,,-0.76,0.630142857
1982,0.091,-0.02,1.081,,2.62,2.03,-0.25,,,2.319,,-0.5,0.921375
1983,0.196,-0.27,1.119,0.7,2.35,1.86,0.201,,,2.209,,-0.22,0.905
1984,0.165,-0.04,1.009,0.656,1.62,1.18,0.996,,,1.679,,-0.1,0.796111111
1985,0.057,-0.07,1.217,0.657,1.07,0.7,-0.624,,,0.399,0.82,-0.82,0.3406
1986,0.241,0.18,1.233,0.414,0.75,0.49,-0.842,,,0.211,0.28,-0.88,0.2077
1987,0.285,0,0.604,-0.18,0.97,0.73,-0.403,,,0.434,0.02,-0.4,0.206
1988,0.069,-0.29,0.262,-0.04,0.45,0.24,-2.14,0.599,,-0.618,-0.89,-1.24,-0.327090909
1989,0,0,0,0,0,0,0,0,0,0,0,0,0
1990,-0.166,-0.21,0.199,-0.431,-0.66,-0.51,0.284,-0.378,-0.12,-0.04,0.21,0.59,-0.102666667
1991,-0.396,-0.43,-0.121,-0.591,-0.53,-0.41,0.58,-0.418,-0.32,-0.256,0.29,0.76,-0.1535
1992,-0.3,-0.42,-0.873,-0.865,-0.63,-0.55,1.922,-0.201,-0.23,-0.146,0.876,1.64,0.018583333
1993,-0.362,-1.01,-0.983,-1.288,-1.66,-1.43,2.615,-0.054,0.04,0.364,1.226,2.64,0.008166667
1994,-0.394,-1.21,-1.453,-1.564,-1.82,-1.55,2.575,,-0.3,0.264,0.931,2.27,-0.204636364
1995,-0.541,-1.15,-1.663,-1.911,-2.6,-2.34,3.791,,-0.2,0.344,1.184,2.97,-0.192363636
1996,-0.621,-0.96,-1.653,-1.861,-2.77,-2.32,4.091,-0.066,-0.58,-0.126,1.124,2.58,-0.2635
1997,-0.634,-1.02,-2.433,-1.899,-3.48,-2.75,4.6,-0.729,-0.78,-0.396,0.144,1.95,-0.618916667
1998,-0.91,-1.12,-2.953,-2.1,-4.34,-3.34,4.228,-2.198,-1.06,-0.866,-0.696,1.43,-1.160416667
1999,-1.127,-1.47,-3.693,-2.57,-4.7,-3.61,3.623,-3.882,-1.36,-1.256,-1.497,1.25,-1.691
2000,-1.447,-1.96,-3.953,-2.975,-4.722,-3.638,4.233,-4.403,-1.23,-1.496,-1.809,1.83,-1.7975
2001,-2.006,-1.95,-3.937,-3.126,-5.198,-3.969,2.644,-6.586,-1.64,-2.256,-3.539,1.13,-2.536083333
2002,-2.027,-1.87,-3.917,-3.094,-5.763,-4.498,1.619,-7.897,-2.3,-3.135,-5.369,0.3,-3.162583333
2003,-2.166,-2.4,-3.627,-3.2,-6.662,-5.281,0.527,-8.843,-3.72,-4.575,-7.149,-0.74,-3.986333333
2004,-2.12,-2.12,-3.817,-3.163,-7.804,-6.256,0.71,-10.531,-4.3,,,-0.86,-4.0261
2005,-2.382,-2.5,-4.177,-3.775,-8.785,-6.995,1.193,-11.552,-5.09,-5.745,-7.499,-0.93,-4.853083333
2006,-2.624,-2.508,-5.359,-3.868,-9.51,-7.481,-0.645,-13.749,-6.74,-7.375,-8.899,-2.65,-5.950666667
2007,-2.918,-3.026,-6.264,-4.686,-9.967,-7.732,0.031,-14.389,-7.27,,-9.859,-2.24,-6.210909091
2008,-3.495,-3.731,-6.615,-5.493,-10.094,-7.741,-0.107,-14.818,-7.15,-7.025,-10.449,-1.66,-6.5315
2009,-4.018,-4.407,-7.554,-6.079,-10.344,-7.881,-0.175,-16.13,-8.54,-7.525,-11.169,-2.19,-7.167666667
2010,-4.435,-4.794,-8.893,-6.273,-10.784,-8.081,-0.924,-16.878,-9.04,-8.605,-12.129,-2.88,-7.809666667
2011,-5.118,-6.104,-10.449,-7.26,-11.788,-9.001,-1.896,-18.134,-10.49,-10.715,-13.209,-3.94,-9.008666667
2012,-5.621,-7.221,-10.621,-8.211,-11.963,-9.261,-0.824,-18.894,-10.58,-10.695,-13.299,-3.26,-9.204166667
2013,-5.597,-7.061,-10.78,-8.166,-13.013,-10.201,-2.678,-21.508,,,,-4.67,-9.297111111
2014,-5.843,-7.004,-11.928,-8.583,-13.003,-10.171,-3.568,-22.288,-11.95,,,-5.56,-9.9898
2015,-6.238,-7.896,-12.72,-9.276,-13.613,-10.621,-2.915,-23.085,-11.93,-10.738,-13.259,-4.92,-10.60091667
2016,-6.721,-8.687,-12.682,-9.544,-15.063,-11.821,-3.141,-24.749,-12.3,-11.388,-14.319,-5.16,-11.29791667
2017,-6.874,-8.561,-12.461,-9.428,-15.853,-12.461,-1.892,-25.016,-12.04,-11.558,-14.169,-4.69,-11.25025
2018,-6.828,-8.362,-12.877,-9.42,-16.733,-13.231,-3.521,-27.145,-13.41,-13.148,-15.569,-6.29,-12.21116667
2019,-7.312,-9.318,-13.684,-10.219,-17.443,-13.831,-2.733,-27.528,-14.32,-13.798,-16.179,-6.6,-12.74708333
2020,-7.959,-10.044,-13.562,-10.771,-19.187,-15.405,-1.563,-27.547,-15.526,-13.904,-16.881,-6.464,-13.23441667
2021,-7.964,-10.175,-14.639,-10.878,-19.967,-15.915,-2.063,-27.742,-16.281,-14.404,-17.703,-7.287,-13.7515
2022,-8.472,-10.626,-15.671,-11.35,-21.483,-17.331,-1.918,-29.846,-16.708,-15.347,-18.498,-7.499,-14.56241667
2023,-8.86,-11.175,-15.671,,-22.431,-18.307,-3.018,-31.546,-17.964,-16.912,-19.845,-8.311,-15.82181818